diff --git a/debian/changelog b/debian/changelog
index 98d19e084..57221fc3f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,17 @@
+open5gs (2.6.6~sysmocom3) unstable; urgency=medium
+
+  Add patches from https://github.com/open5gs/open5gs/pull/2921 with
+  dependencies (SYS#6582):
+
+  [ Pau Espin Pedrol ]
+  * [MME] Split Gn local TEID generation from S11 TEID generation
+  * [MME] Gn: Introduce initial support for 4G->2G cell reselection
+  * [SMF,MME] Gn: Set Delivery order QoS field to No
+  * [SMF,MME] Gn: Set Delivery of erroneous SDUs QoS field to No
+  * [SMF,MME] Gn: Set Maximum SDU Size QoS field to 1500
+
+ -- Oliver Smith <osmith@sysmocom.de>  Mon, 29 Jan 2024 14:19:52 +0100
+
 open5gs (2.6.6~sysmocom2) unstable; urgency=medium
 
   * Fix fixed-0 IPCP identifier in PCO ack